Show the time in menu core.

osd.c

@@ -235,7 +235,7 @@ void OsdWriteOffset(unsigned char n, char *s, unsigned char invert, unsigned cha
 	// send all characters in string to OSD
 	while (1)
 	{
-		if (i == 0)
+		if (i == 0 && (n < osd_size))
 		{	// Render sidestripe
 			unsigned char j;
 			unsigned char tmp[8];

user_io.c

@@ -1262,6 +1262,28 @@ void user_io_poll()
 			DISKLED_OFF;
 		}
 		*/
+
+		if (is_menu_core())
+		{
+			if (!rtc_timer || CheckTimer(rtc_timer))
+			{
+				rtc_timer = GetTimer(1000);
+
+				time_t t = time(NULL);
+				struct tm tm = *localtime(&t);
+
+				char str[64];
+				sprintf(str, "  MiSTer   ");
+				if (tm.tm_year >= 117)
+				{
+					strftime(str + strlen(str), sizeof(str) - 1 - strlen(str), "%Y.%m.%d %H:%M:%S", &tm);
+				}
+
+				OsdWrite(16, "", 1, 0);
+				OsdWrite(17, str, 1, 0);
+				OsdWrite(18, "", 1, 0);
+			}
+		}
 	}
 
 	if (core_type == CORE_TYPE_ARCHIE) archie_poll();